National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fog/Mist

50°F

10°C

Humidity 96%
Wind Speed SW 9 mph
Barometer 29.76 in (1007.6 mb)
Dewpoint 49°F (9°C)
Visibility 2.00 mi
Wind Chill46°F (8°C)
Last update 5 Apr 3:56 pm EDT
Extended Forecast for

Conning Towers-Nautilus Park CT

  • This Afternoon

    This Afternoon: Rain and possibly a thunderstorm. Patchy fog. Steady temperature around 44. Southwest wind around 14 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 44 °F

    Rain and
    Patchy Fog

  • Tonight

    Tonight: Showers, mainly before 8pm. Patchy fog before 11pm. Low around 39. West wind 9 to 11 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Showers and
    Patchy Fog
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 49. West wind around 15 mph.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly after 2am. Partly cloudy, with a low around 38. West wind 5 to 7 mph becoming north after midnight.

    Low: 38 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers. Partly sunny, with a high near 47. Southwest wind 7 to 14 mph.

    High: 47 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming clear, with a low around 31.

    Low: 31 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 34.

    Low: 34 °F

    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain and possibly a thunderstorm. Patchy fog. Steady temperature around 44. Southwest wind around 14 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers, mainly before 8pm. Patchy fog before 11pm. Low around 39. West wind 9 to 11 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Sunny, with a high near 49. West wind around 15 mph.
Monday Night
A 30 percent chance of showers, mainly after 2am. Partly cloudy, with a low around 38. West wind 5 to 7 mph becoming north after midnight.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 47. Southwest wind 7 to 14 mph.
Tuesday Night
Mostly cloudy, then gradually becoming clear, with a low around 31.
Wednesday
Sunny, with a high near 44.
Wednesday Night
Clear, with a low around 34.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Conning Towers-Nautilus Park CT
 41.36°N 72.08°W (Elev. 79 ft)
Last Update:
2:55 pm EDT Apr 5, 2026
Forecast Valid:
4pm EDT Apr 5, 2026-6pm EDT Apr 12, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation